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KMID : 1137820100310040269
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의공학회지
2010 Volume.31 No. 4 p.269 ~ p.274
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Development of FSR Sensor Suits Controlling Walking Assist System for Paraplegic Patients
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Jang Eun-Hye
Chi S.Y.
Lee J.Y.
Cho Y.J.
Chun B.T.
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Abstract
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The purpose of this study was to develop the FSR sensor suit that controls walking assist device for paraplegic patients. The FSR sensor suit was to detect user’s intent and patterns for walking by measuring pressure on the palm and the sole of user’s foot. It consisted of four modules: sensing pressure from palm, changing modes and detecting pressure on the palm/at the wrist, sensing pressure from the soles of user’s foot, and host module that transmit FSR data obtained from sensing modules to PC. Sensing modules were connected to sensing pads which detect analog signals obtained from the palm or the sole of foot. These collect signals from the target regions, convert analog signals into digital signals, and transmit the final signals to host module via zigbee modules. Finally, host modules transmit the signals to host PC via zigbee modules. The study findings showed that forces measured at the palm when using a stick reflected user’s intent to walk and forces at the sole of the user’s foot revealed signals detecting walking state.
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KEYWORD
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Walking assist device, FSR, Paraplegic patients
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